5-in-1 Water Quality Tester – Precision at Your Fingertips
Ultra-compact pen-style design for effortless portability, ideal for on-site testing in pools, aquariums, hydroponics, and laboratories. Measures TDS, EC, pH, salinity, and temperature with lab-grade accuracy (±0.01 pH resolution). Durable ABS housing with reinforced probe tips for long-term corrosion resistance. Auto-calibration and auto-off features ensure hassle-free operation. Perfect for homebrewers, gardeners, and water treatment professionals. Backed by our global wholesale pricing—bulk orders welcome.